./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-15/cstrncpy_malloc.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34923c10-8273-4500-a21c-3f570bf6ab0d/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34923c10-8273-4500-a21c-3f570bf6ab0d/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34923c10-8273-4500-a21c-3f570bf6ab0d/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34923c10-8273-4500-a21c-3f570bf6ab0d/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-15/cstrncpy_malloc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34923c10-8273-4500-a21c-3f570bf6ab0d/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34923c10-8273-4500-a21c-3f570bf6ab0d/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6e588807776461813c1ae9106dc80912b11e9df5504cf2f27974dc29a72efbfe --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:11:51,752 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:11:51,822 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34923c10-8273-4500-a21c-3f570bf6ab0d/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2023-11-24 23:11:51,827 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:11:51,828 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:11:51,853 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:11:51,854 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:11:51,855 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:11:51,856 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:11:51,856 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:11:51,857 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:11:51,857 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 23:11:51,858 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 23:11:51,859 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 23:11:51,859 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:11:51,860 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:11:51,860 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:11:51,861 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:11:51,862 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:11:51,862 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:11:51,863 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:11:51,864 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:11:51,864 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:11:51,865 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:11:51,866 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:11:51,866 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:11:51,867 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34923c10-8273-4500-a21c-3f570bf6ab0d/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34923c10-8273-4500-a21c-3f570bf6ab0d/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e588807776461813c1ae9106dc80912b11e9df5504cf2f27974dc29a72efbfe [2023-11-24 23:11:52,171 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:11:52,202 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:11:52,205 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:11:52,206 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:11:52,207 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:11:52,208 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34923c10-8273-4500-a21c-3f570bf6ab0d/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/termination-15/cstrncpy_malloc.i [2023-11-24 23:11:55,290 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:11:55,609 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:11:55,609 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34923c10-8273-4500-a21c-3f570bf6ab0d/sv-benchmarks/c/termination-15/cstrncpy_malloc.i [2023-11-24 23:11:55,621 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34923c10-8273-4500-a21c-3f570bf6ab0d/bin/ukojak-verify-afCqCEvfdi/data/9b8d04330/da6373473d0f4029aa5f4f7ee6d37ba4/FLAG67702160e [2023-11-24 23:11:55,921 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34923c10-8273-4500-a21c-3f570bf6ab0d/bin/ukojak-verify-afCqCEvfdi/data/9b8d04330/da6373473d0f4029aa5f4f7ee6d37ba4 [2023-11-24 23:11:55,924 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:11:55,925 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:11:55,926 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:11:55,928 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:11:55,932 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:11:55,933 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:11:55" (1/1) ... [2023-11-24 23:11:55,934 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13700e50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:55, skipping insertion in model container [2023-11-24 23:11:55,934 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:11:55" (1/1) ... [2023-11-24 23:11:55,971 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:11:56,296 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:11:56,307 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:11:56,373 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:11:56,429 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:11:56,431 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:56 WrapperNode [2023-11-24 23:11:56,431 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:11:56,432 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:11:56,433 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:11:56,433 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:11:56,441 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:56" (1/1) ... [2023-11-24 23:11:56,466 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:56" (1/1) ... [2023-11-24 23:11:56,491 INFO L138 Inliner]: procedures = 152, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 79 [2023-11-24 23:11:56,491 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:11:56,492 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:11:56,492 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:11:56,493 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:11:56,502 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:56" (1/1) ... [2023-11-24 23:11:56,502 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:56" (1/1) ... [2023-11-24 23:11:56,517 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:56" (1/1) ... [2023-11-24 23:11:56,518 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:56" (1/1) ... [2023-11-24 23:11:56,523 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:56" (1/1) ... [2023-11-24 23:11:56,534 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:56" (1/1) ... [2023-11-24 23:11:56,535 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:56" (1/1) ... [2023-11-24 23:11:56,536 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:56" (1/1) ... [2023-11-24 23:11:56,539 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:11:56,540 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:11:56,540 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:11:56,540 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:11:56,541 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:56" (1/1) ... [2023-11-24 23:11:56,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:11:56,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34923c10-8273-4500-a21c-3f570bf6ab0d/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:11:56,586 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34923c10-8273-4500-a21c-3f570bf6ab0d/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:11:56,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34923c10-8273-4500-a21c-3f570bf6ab0d/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:11:56,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:11:56,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:11:56,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:11:56,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:11:56,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:11:56,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:11:56,713 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:11:56,715 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:11:56,968 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:11:57,027 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:11:57,027 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 23:11:57,029 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:11:57 BoogieIcfgContainer [2023-11-24 23:11:57,029 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:11:57,030 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:11:57,030 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:11:57,062 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:11:57,063 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:11:57" (1/1) ... [2023-11-24 23:11:57,071 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:11:57,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:57,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 33 states and 36 transitions. [2023-11-24 23:11:57,138 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 36 transitions. [2023-11-24 23:11:57,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 23:11:57,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:57,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:57,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:57,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:57,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:57,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 32 states and 35 transitions. [2023-11-24 23:11:57,496 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 35 transitions. [2023-11-24 23:11:57,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 23:11:57,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:57,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:57,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:57,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:57,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:57,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 31 states and 34 transitions. [2023-11-24 23:11:57,915 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 34 transitions. [2023-11-24 23:11:57,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:11:57,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:57,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:57,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:58,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:58,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:58,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 33 states and 38 transitions. [2023-11-24 23:11:58,155 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2023-11-24 23:11:58,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:11:58,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:58,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:58,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:58,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:58,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:58,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 35 states and 42 transitions. [2023-11-24 23:11:58,935 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 42 transitions. [2023-11-24 23:11:58,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 23:11:58,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:58,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:58,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:58,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:59,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:59,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 38 states and 48 transitions. [2023-11-24 23:11:59,430 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 48 transitions. [2023-11-24 23:11:59,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 23:11:59,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:59,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:59,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:59,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:12:00,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:00,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 41 states and 55 transitions. [2023-11-24 23:12:00,790 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 55 transitions. [2023-11-24 23:12:00,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 23:12:00,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:00,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:00,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:01,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:12:02,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:02,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 44 states and 63 transitions. [2023-11-24 23:12:02,845 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 63 transitions. [2023-11-24 23:12:02,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:12:02,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:02,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:02,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:02,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:12:04,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:04,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 48 states and 73 transitions. [2023-11-24 23:12:04,174 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 73 transitions. [2023-11-24 23:12:04,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:12:04,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:04,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:04,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:04,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:12:05,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:05,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 53 states and 85 transitions. [2023-11-24 23:12:05,346 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 85 transitions. [2023-11-24 23:12:05,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:12:05,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:05,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:05,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:05,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:12:06,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:06,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 59 states and 98 transitions. [2023-11-24 23:12:06,794 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 98 transitions. [2023-11-24 23:12:06,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:12:06,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:06,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:06,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:06,942 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:12:07,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:07,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 61 states and 102 transitions. [2023-11-24 23:12:07,751 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 102 transitions. [2023-11-24 23:12:07,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:12:07,752 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:07,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:07,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:08,461 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:12:11,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:11,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 67 states and 122 transitions. [2023-11-24 23:12:11,824 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 122 transitions. [2023-11-24 23:12:11,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:12:11,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:11,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:11,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:11,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:12:15,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:15,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 74 states and 138 transitions. [2023-11-24 23:12:15,102 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 138 transitions. [2023-11-24 23:12:15,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:12:15,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:15,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:15,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:15,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:12:17,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:17,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 79 states and 156 transitions. [2023-11-24 23:12:17,629 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 156 transitions. [2023-11-24 23:12:17,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:12:17,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:17,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:17,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:19,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:12:24,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:24,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 85 states and 173 transitions. [2023-11-24 23:12:24,958 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 173 transitions. [2023-11-24 23:12:24,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:12:24,959 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:24,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:24,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:24,982 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:12:27,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:27,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 89 states and 183 transitions. [2023-11-24 23:12:27,945 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 183 transitions. [2023-11-24 23:12:27,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:12:27,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:27,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:27,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:29,177 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:12:35,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:35,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 94 states and 202 transitions. [2023-11-24 23:12:35,035 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 202 transitions. [2023-11-24 23:12:35,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:12:35,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:35,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:35,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:35,100 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:12:36,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:36,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 96 states and 210 transitions. [2023-11-24 23:12:36,643 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 210 transitions. [2023-11-24 23:12:36,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:12:36,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:36,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:36,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:37,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:12:42,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:42,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 104 states and 231 transitions. [2023-11-24 23:12:42,219 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 231 transitions. [2023-11-24 23:12:42,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:12:42,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:42,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:42,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:42,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:12:43,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:43,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 106 states and 237 transitions. [2023-11-24 23:12:43,838 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 237 transitions. [2023-11-24 23:12:43,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:12:43,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:43,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:43,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:43,865 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:12:47,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:47,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 110 states and 246 transitions. [2023-11-24 23:12:47,772 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 246 transitions. [2023-11-24 23:12:47,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:12:47,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:47,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:47,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:48,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.